Analytical instruments in general are improving at a very slow rate with little improvement in actual specifications. Over the past 15-20 years much of the 'improvements' have been cosmetic only. The Waters 2475 is an exception to this, it is quite an improvement over the 474 but it is also several times the price. Early 474s had a signal to noise ratio of 200:1 while later on they improved to 320:1. The 2475 has a signal to noise ratio of greater then 800:1. In addition it can monitor more then one wavelength at a time.

Please note that they do have a fragile flow cell only rated to 145 PSI so they must be the last detector in the system. This limitation is also present with the Waters 410 and 2410 detectors so it might be a complicated matter to have an RI detector and a fluorescence detector in on system.

At one point all of our prices were posted online. However since the subprime crash of 2007 we have had an increasingly difficult time keeping our online prices up to date with the number of currencies that we normally quote in. Worse yet (for us) the prices of many instruments are in a state of flux. At the time of writing (May 2010) this is an excellent time to buy used instrumentation, with prices approximately 10-15% lower then in 2007. Unfortunately we have had to switch from an online pricing setup to a quote-on-request one.

If you would like a quote on one of our 2475 fluorescence detectors please let us know if you would like our standard two year warranty or our optional 90 day warranty. Please note that Xenon lamp is only replaced with our two year warranty.

Our sales people will never "follow up" with you afterwards and if you contact us by email we will never add you to our spam list. We do not and will not, ever have one.

If you could please send an email to info@2h2inc.com we should be able to provide a quote to you within a few hours or please visit our contact page for our telephone number and mailing address

In addition you might want to visit our page for more HPLC related items.